289254080

素因数分解:

$2^6\times 5^1\times {\mathrm{903919}}^1$

素因数の和:903936

約数の個数: 28

約数和(自身を含む): 688787040

約数和(自身を除く): 399532960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 903919, 1807838, 3615676, 4519595, 7231352, 9039190, 14462704, 18078380, 28925408, 36156760, 57850816, 72313520, 144627040, 289254080]

約数ペア:

[(1, 289254080), (2, 144627040), (4, 72313520), (5, 57850816), (8, 36156760), (10, 28925408), (16, 18078380), (20, 14462704), (32, 9039190), (40, 7231352), (64, 4519595), (80, 3615676), (160, 1807838), (320, 903919)]